ray.s, kasumi (kancolle), kasumi kai ni (kancolle), kasumi kai ni (swimsuit) (kancolle), kantai collection, 1girl, bikini, bikini skirt, breasts, brown eyes, frilled bikini, frills, green bikini, grey hair, hair ribbon, long hair, navel, official alternate costume, one-hour drawing challenge, ribbon, ruffle bikini, side ponytail, simple background, small breasts, solo, swimsuit, very long hair, white background, white ribbon